Commonly, a voucher is a document that shows goods have bought or services have been rendered, authorizes payment, and indicates the ledger account(s) in which these transactions have to be recorded.
It was the first product in a major class of drugs for depression called selective serotonin reuptake inhibitors. Prozac was first introduced to the U.S. market in January 1988, and it gained its most prescribed status within two years.
In 1988, a year after the Food and Drug Administration approved Prozac, 2,469,000 prescriptions for it were dispensed in America. By 2002, that number had risen to 33,320,000. By 2008, antidepressants were the third-most-common prescription drug taken in America.